<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>

        #p1{color: red}
        .c1{color: yellow}
        h4,#p1,.c1{background-color: greenyellow}
        input[type="text"]{color: red}
        *{border: 1px solid #ff0d86}
    </style>
</head>
<body>
<input type="text">
<input type="password">
<p id="p1">苹果</p>
<p class="c1">香蕉</p>
<p>橘子</p>
<h3>洗衣机</h3>
<h3 class="c1">冰箱</h3>
<h3>电视机</h3>
<h4>张山</h4>
</body>
</html>